[INFO] fetching crate dict_derive 0.3.0...
[INFO] checking dict_derive-0.3.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate dict_derive 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dict_derive 0.3.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dict_derive 0.3.0
[INFO] finished tweaking crates.io crate dict_derive 0.3.0
[INFO] tweaked toml for crates.io crate dict_derive 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ebf61f4fc0712f4f8d9441ff692947218ad321369a80173b9030d129f5ee6ad
[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" "7ebf61f4fc0712f4f8d9441ff692947218ad321369a80173b9030d129f5ee6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ebf61f4fc0712f4f8d9441ff692947218ad321369a80173b9030d129f5ee6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ebf61f4fc0712f4f8d9441ff692947218ad321369a80173b9030d129f5ee6ad", kill_on_drop: false }`
[INFO] [stdout] 7ebf61f4fc0712f4f8d9441ff692947218ad321369a80173b9030d129f5ee6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d26c0810b5071e06d9e37825990f53d7de8b95be59ea14db975814216068808f
[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" "d26c0810b5071e06d9e37825990f53d7de8b95be59ea14db975814216068808f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]    Compiling pyo3 v0.12.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-derive-backend v0.12.3
[INFO] [stderr]     Checking dict_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.12.3
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "d26c0810b5071e06d9e37825990f53d7de8b95be59ea14db975814216068808f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26c0810b5071e06d9e37825990f53d7de8b95be59ea14db975814216068808f", kill_on_drop: false }`
[INFO] [stdout] d26c0810b5071e06d9e37825990f53d7de8b95be59ea14db975814216068808f