[INFO] fetching crate topojson 0.2.0...
[INFO] checking topojson-0.2.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate topojson 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate topojson 0.2.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topojson 0.2.0
[INFO] finished tweaking crates.io crate topojson 0.2.0
[INFO] tweaked toml for crates.io crate topojson 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate topojson 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b21be0b31b59966690b40ddc6a7743c9e8d8d3c899bfb9e620fad8ab16adb14
[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" "2b21be0b31b59966690b40ddc6a7743c9e8d8d3c899bfb9e620fad8ab16adb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b21be0b31b59966690b40ddc6a7743c9e8d8d3c899bfb9e620fad8ab16adb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b21be0b31b59966690b40ddc6a7743c9e8d8d3c899bfb9e620fad8ab16adb14", kill_on_drop: false }`
[INFO] [stdout] 2b21be0b31b59966690b40ddc6a7743c9e8d8d3c899bfb9e620fad8ab16adb14
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a7bcde67f28fdf6c56a3a303ab3ca9087a5f2b67cb415c0eca60b81540d9cc
[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" "86a7bcde67f28fdf6c56a3a303ab3ca9087a5f2b67cb415c0eca60b81540d9cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking geojson v0.16.0
[INFO] [stderr]     Checking topojson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/topojson.rs:135:72
[INFO] [stdout]     |
[INFO] [stdout] 135 |         TopoJson::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/geometry.rs:206:72
[INFO] [stdout]     |
[INFO] [stdout] 206 |         Geometry::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/topology.rs:65:79
[INFO] [stdout]    |
[INFO] [stdout] 65 |         TransformParams::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/topology.rs:155:72
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Topology::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/topojson.rs:135:72
[INFO] [stdout]     |
[INFO] [stdout] 135 |         TopoJson::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/geometry.rs:206:72
[INFO] [stdout]     |
[INFO] [stdout] 206 |         Geometry::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/topology.rs:65:79
[INFO] [stdout]    |
[INFO] [stdout] 65 |         TransformParams::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/topology.rs:155:72
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Topology::from_json_object(val).map_err(|e| D::Error::custom(e.description()))
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/to_geojson.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut ix;
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/to_geojson.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut ix;
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.29s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86a7bcde67f28fdf6c56a3a303ab3ca9087a5f2b67cb415c0eca60b81540d9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a7bcde67f28fdf6c56a3a303ab3ca9087a5f2b67cb415c0eca60b81540d9cc", kill_on_drop: false }`
[INFO] [stdout] 86a7bcde67f28fdf6c56a3a303ab3ca9087a5f2b67cb415c0eca60b81540d9cc