[INFO] fetching crate wrapped2d 0.4.1...
[INFO] checking wrapped2d-0.4.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate wrapped2d 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wrapped2d 0.4.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrapped2d 0.4.1
[INFO] finished tweaking crates.io crate wrapped2d 0.4.1
[INFO] tweaked toml for crates.io crate wrapped2d 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded cgmath v0.14.1
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded nalgebra v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26385e00295ead5402f7cc16df58d11da88baf49d0435801eb2ebfb30e7983bd
[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" "26385e00295ead5402f7cc16df58d11da88baf49d0435801eb2ebfb30e7983bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26385e00295ead5402f7cc16df58d11da88baf49d0435801eb2ebfb30e7983bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26385e00295ead5402f7cc16df58d11da88baf49d0435801eb2ebfb30e7983bd", kill_on_drop: false }`
[INFO] [stdout] 26385e00295ead5402f7cc16df58d11da88baf49d0435801eb2ebfb30e7983bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16ead91edb27b8f6a902b14a9264d3b07419e9be4a038dbc1f7c24796d67852
[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" "f16ead91edb27b8f6a902b14a9264d3b07419e9be4a038dbc1f7c24796d67852", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling wrapped2d v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `object`
[INFO] [stdout]   --> src/dynamics/world_callbacks.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     object: Option<Box<dyn Any>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object`
[INFO] [stdout]   --> src/dynamics/world_callbacks.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     object: Option<Box<dyn Any>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object`
[INFO] [stdout]   --> src/dynamics/world_callbacks.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     object: Option<Box<dyn Any>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `object`
[INFO] [stdout]   --> src/dynamics/world_callbacks.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     object: Option<Box<dyn Any>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.37s
[INFO] running `Command { std: "docker" "inspect" "f16ead91edb27b8f6a902b14a9264d3b07419e9be4a038dbc1f7c24796d67852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16ead91edb27b8f6a902b14a9264d3b07419e9be4a038dbc1f7c24796d67852", kill_on_drop: false }`
[INFO] [stdout] f16ead91edb27b8f6a902b14a9264d3b07419e9be4a038dbc1f7c24796d67852