[INFO] fetching crate polyhorn-ios 0.4.0...
[INFO] checking polyhorn-ios-0.4.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate polyhorn-ios 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate polyhorn-ios 0.4.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-ios 0.4.0
[INFO] finished tweaking crates.io crate polyhorn-ios 0.4.0
[INFO] tweaked toml for crates.io crate polyhorn-ios 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 260ae11a93de21bdfc2e5809c7e4b2f93d06fd0277642a6dd62204e192e6663a
[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" "260ae11a93de21bdfc2e5809c7e4b2f93d06fd0277642a6dd62204e192e6663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260ae11a93de21bdfc2e5809c7e4b2f93d06fd0277642a6dd62204e192e6663a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260ae11a93de21bdfc2e5809c7e4b2f93d06fd0277642a6dd62204e192e6663a", kill_on_drop: false }`
[INFO] [stdout] 260ae11a93de21bdfc2e5809c7e4b2f93d06fd0277642a6dd62204e192e6663a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba5c8502aa4aa829a0ca83cb2fddedcda0449fa38cc26fbb6b8ae43fcd20131
[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" "4ba5c8502aa4aa829a0ca83cb2fddedcda0449fa38cc26fbb6b8ae43fcd20131", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking as-any v0.2.0
[INFO] [stderr]     Checking dispatch v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling polyhorn-build-ios v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling kurbo v0.6.3
[INFO] [stderr]    Compiling roxmltree v0.13.1
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling polyhorn-build-android v0.4.0
[INFO] [stderr]    Compiling polyhorn-macros v0.4.0
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]    Compiling polyhorn-build v0.4.1
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling fsize v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling casco v0.4.0
[INFO] [stderr]    Compiling polyhorn-ios-sys v0.4.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.4
[INFO] [stderr]     Checking usvg v0.11.0
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stderr]     Checking polyhorn-ui v0.4.0
[INFO] [stderr]    Compiling polyhorn-ui-macros v0.4.0
[INFO] [stderr]     Checking polyhorn-ios v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.81s
[INFO] running `Command { std: "docker" "inspect" "4ba5c8502aa4aa829a0ca83cb2fddedcda0449fa38cc26fbb6b8ae43fcd20131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba5c8502aa4aa829a0ca83cb2fddedcda0449fa38cc26fbb6b8ae43fcd20131", kill_on_drop: false }`
[INFO] [stdout] 4ba5c8502aa4aa829a0ca83cb2fddedcda0449fa38cc26fbb6b8ae43fcd20131