[INFO] fetching crate serde-json-helpers 0.1.2...
[INFO] testing serde-json-helpers-0.1.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate serde-json-helpers 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde-json-helpers 0.1.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-json-helpers 0.1.2
[INFO] finished tweaking crates.io crate serde-json-helpers 0.1.2
[INFO] tweaked toml for crates.io crate serde-json-helpers 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 147b4aef1c85992cdf4684140265536ebb569e55a7a3810e4b757e6af1c8c01b
[INFO] running `Command { std: "docker" "start" "-a" "147b4aef1c85992cdf4684140265536ebb569e55a7a3810e4b757e6af1c8c01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147b4aef1c85992cdf4684140265536ebb569e55a7a3810e4b757e6af1c8c01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147b4aef1c85992cdf4684140265536ebb569e55a7a3810e4b757e6af1c8c01b", kill_on_drop: false }`
[INFO] [stdout] 147b4aef1c85992cdf4684140265536ebb569e55a7a3810e4b757e6af1c8c01b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15da77e772ae62be840e99736bd00b913183282269289514a523478af2c0d474
[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" "15da77e772ae62be840e99736bd00b913183282269289514a523478af2c0d474", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde-json-helpers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.39s
[INFO] running `Command { std: "docker" "inspect" "15da77e772ae62be840e99736bd00b913183282269289514a523478af2c0d474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15da77e772ae62be840e99736bd00b913183282269289514a523478af2c0d474", kill_on_drop: false }`
[INFO] [stdout] 15da77e772ae62be840e99736bd00b913183282269289514a523478af2c0d474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f789c661a67fa37c22d3edcc0c508b1ac4f272253ef3c1330f4e7b0a1d256aa9
[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" "f789c661a67fa37c22d3edcc0c508b1ac4f272253ef3c1330f4e7b0a1d256aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde-json-helpers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "f789c661a67fa37c22d3edcc0c508b1ac4f272253ef3c1330f4e7b0a1d256aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f789c661a67fa37c22d3edcc0c508b1ac4f272253ef3c1330f4e7b0a1d256aa9", kill_on_drop: false }`
[INFO] [stdout] f789c661a67fa37c22d3edcc0c508b1ac4f272253ef3c1330f4e7b0a1d256aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d23258eb61870f79b4444be83a261dc611d786e6800c5a9d1db735a1da8ac784
[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" "d23258eb61870f79b4444be83a261dc611d786e6800c5a9d1db735a1da8ac784", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_json_helpers-e535f0e74a9fdf75
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deserialize-02ec818e454fc9a0
[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 9 tests
[INFO] [stdout] test can_deserialize_lowercase ... ok
[INFO] [stdout] test can_deserialize_uppercase ... ok
[INFO] [stdout] test can_serialize_kebab_case ... ok
[INFO] [stdout] test can_serialize_screaming_kebab_case ... ok
[INFO] [stdout] test can_serialize_snake_case ... ok
[INFO] [stdout] test can_deserialize_prepended_without_transform ... ok
[INFO] [stdout] test can_deserialize_without_transform ... ok
[INFO] [stdout] test can_serialize_screaming_snake_case ... ok
[INFO] [stdout] test can_serialize_prepended_snake_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serialize-c0649d2eac8c6995
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test can_serialize_prepended_snake_case ... ok
[INFO] [stdout] test can_serialize_without_transform ... ok
[INFO] [stdout] test can_serialize_snake_case ... ok
[INFO] [stdout] test can_serialize_lowercase ... ok
[INFO] [stdout] test can_serialize_screaming_kebab_case ... ok
[INFO] [stdout] test can_serialize_screaming_snake_case ... ok
[INFO] [stdout] test can_serialize_uppercase ... ok
[INFO] [stdout] test can_serialize_prepended_without_transform ... ok
[INFO] [stdout] test can_serialize_kebab_case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/util-23a518896bd94b05
[INFO] [stderr]    Doc-tests serde-json-helpers
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d23258eb61870f79b4444be83a261dc611d786e6800c5a9d1db735a1da8ac784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23258eb61870f79b4444be83a261dc611d786e6800c5a9d1db735a1da8ac784", kill_on_drop: false }`
[INFO] [stdout] d23258eb61870f79b4444be83a261dc611d786e6800c5a9d1db735a1da8ac784