[INFO] fetching crate core-serde-json 0.1.0...
[INFO] testing core-serde-json-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate core-serde-json 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate core-serde-json 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking crates.io crate core-serde-json 0.1.0
[INFO] finished tweaking crates.io crate core-serde-json 0.1.0
[INFO] tweaked toml for crates.io crate core-serde-json 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5c3fe3ac0d088b568f31d9ea9cc6a0640c87407c4e1983461d3b3e2c37c88a
[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" "de5c3fe3ac0d088b568f31d9ea9cc6a0640c87407c4e1983461d3b3e2c37c88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5c3fe3ac0d088b568f31d9ea9cc6a0640c87407c4e1983461d3b3e2c37c88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5c3fe3ac0d088b568f31d9ea9cc6a0640c87407c4e1983461d3b3e2c37c88a", kill_on_drop: false }`
[INFO] [stdout] de5c3fe3ac0d088b568f31d9ea9cc6a0640c87407c4e1983461d3b3e2c37c88a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5a89bbc58d404124b319819ed6557c13e1a96fe2d65cbef04291a53df58becf
[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" "e5a89bbc58d404124b319819ed6557c13e1a96fe2d65cbef04291a53df58becf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling core-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "e5a89bbc58d404124b319819ed6557c13e1a96fe2d65cbef04291a53df58becf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a89bbc58d404124b319819ed6557c13e1a96fe2d65cbef04291a53df58becf", kill_on_drop: false }`
[INFO] [stdout] e5a89bbc58d404124b319819ed6557c13e1a96fe2d65cbef04291a53df58becf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8c5e93411d44c00d1819e3c1e81bc4cfa43c6e2f4dad62c83a10767713747a
[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" "4c8c5e93411d44c00d1819e3c1e81bc4cfa43c6e2f4dad62c83a10767713747a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling core-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.32s
[INFO] running `Command { std: "docker" "inspect" "4c8c5e93411d44c00d1819e3c1e81bc4cfa43c6e2f4dad62c83a10767713747a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8c5e93411d44c00d1819e3c1e81bc4cfa43c6e2f4dad62c83a10767713747a", kill_on_drop: false }`
[INFO] [stdout] 4c8c5e93411d44c00d1819e3c1e81bc4cfa43c6e2f4dad62c83a10767713747a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88296f7881d77deb1631825172daad90a3692e55fca02c87a0ed606df59da225
[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" "88296f7881d77deb1631825172daad90a3692e55fca02c87a0ed606df59da225", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core_serde_json-e47156224373be70)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test de::tests::array ... ok
[INFO] [stdout] test de::tests::wot ... ignored
[INFO] [stdout] test de::tests::struct_u8 ... ok
[INFO] [stdout] test ser::tests::array ... ok
[INFO] [stdout] test ser::tests::bool ... ok
[INFO] [stdout] test ser::tests::enum_ ... ok
[INFO] [stdout] test ser::tests::str ... ok
[INFO] [stdout] test ser::tests::struct_ ... ok
[INFO] [stdout] test ser::tests::struct_bool ... 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 de::tests::struct_option ... ok
[INFO] [stdout] test de::tests::struct_i8 ... ok
[INFO] [stdout] test de::tests::struct_bool ... ok
[INFO] [stdout] test de::tests::str ... ok
[INFO] [stdout] test de::tests::enum_clike ... ok
[INFO] [stdout] test de::tests::bool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core-serde-json
[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" "88296f7881d77deb1631825172daad90a3692e55fca02c87a0ed606df59da225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88296f7881d77deb1631825172daad90a3692e55fca02c87a0ed606df59da225", kill_on_drop: false }`
[INFO] [stdout] 88296f7881d77deb1631825172daad90a3692e55fca02c87a0ed606df59da225