[INFO] fetching crate handwritten-json 0.1.0...
[INFO] checking handwritten-json-0.1.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate handwritten-json 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate handwritten-json 0.1.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate handwritten-json 0.1.0
[INFO] finished tweaking crates.io crate handwritten-json 0.1.0
[INFO] tweaked toml for crates.io crate handwritten-json 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded property v0.3.3
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] 92d20b6203b1f97df655e5021857b80f7b24ac76b9da2e1e5e115b08f0b6b1c7
[INFO] running `Command { std: "docker" "start" "-a" "92d20b6203b1f97df655e5021857b80f7b24ac76b9da2e1e5e115b08f0b6b1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d20b6203b1f97df655e5021857b80f7b24ac76b9da2e1e5e115b08f0b6b1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d20b6203b1f97df655e5021857b80f7b24ac76b9da2e1e5e115b08f0b6b1c7", kill_on_drop: false }`
[INFO] [stdout] 92d20b6203b1f97df655e5021857b80f7b24ac76b9da2e1e5e115b08f0b6b1c7
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df7adccf713c17b3fabb58424412e64d0231ac873002a1ffdcea225d49619560
[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" "df7adccf713c17b3fabb58424412e64d0231ac873002a1ffdcea225d49619560", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling property v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking handwritten-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.40s
[INFO] running `Command { std: "docker" "inspect" "df7adccf713c17b3fabb58424412e64d0231ac873002a1ffdcea225d49619560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7adccf713c17b3fabb58424412e64d0231ac873002a1ffdcea225d49619560", kill_on_drop: false }`
[INFO] [stdout] df7adccf713c17b3fabb58424412e64d0231ac873002a1ffdcea225d49619560