[INFO] fetching crate polyhorn-ios 0.1.0...
[INFO] checking polyhorn-ios-0.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate polyhorn-ios 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polyhorn-ios 0.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-ios 0.1.0
[INFO] finished tweaking crates.io crate polyhorn-ios 0.1.0
[INFO] tweaked toml for crates.io crate polyhorn-ios 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] e9d0a5d3e755cb5b0d32de8da21245c447d3270f6363875df5a140b3fdd0b0af
[INFO] running `Command { std: "docker" "start" "-a" "e9d0a5d3e755cb5b0d32de8da21245c447d3270f6363875df5a140b3fdd0b0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d0a5d3e755cb5b0d32de8da21245c447d3270f6363875df5a140b3fdd0b0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d0a5d3e755cb5b0d32de8da21245c447d3270f6363875df5a140b3fdd0b0af", kill_on_drop: false }`
[INFO] [stdout] e9d0a5d3e755cb5b0d32de8da21245c447d3270f6363875df5a140b3fdd0b0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a5d818c9f3895446ce9fb78d2a01c35c6e78ce916caa4d674c240de81b0ae147
[INFO] running `Command { std: "docker" "start" "-a" "a5d818c9f3895446ce9fb78d2a01c35c6e78ce916caa4d674c240de81b0ae147", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking dispatch v0.2.0
[INFO] [stderr]     Checking as-any v0.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling polyhorn-macros v0.1.0
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]    Compiling polyhorn-build-ios v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling polyhorn-build v0.1.0
[INFO] [stderr]    Compiling fsize v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling polyhorn-ios-sys v0.1.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stdout] error[E0659]: `fsize` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `fsize` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::fsize` to refer to this crate unambiguously
[INFO] [stdout] note: `fsize` could also refer to the type alias imported here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::fsize` to refer to this type alias unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `fsize` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/font.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `fsize` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::fsize` to refer to this crate unambiguously
[INFO] [stdout] note: `fsize` could also refer to the type alias imported here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/font.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::fsize` to refer to this type alias unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `fsize` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/geo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `fsize` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::fsize` to refer to this crate unambiguously
[INFO] [stdout] note: `fsize` could also refer to the type alias imported here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/geo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::fsize` to refer to this type alias unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `fsize` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/geometry.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `fsize` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::fsize` to refer to this crate unambiguously
[INFO] [stdout] note: `fsize` could also refer to the type alias imported here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/geometry.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::fsize` to refer to this type alias unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `fsize` is ambiguous (name vs any other name during import resolution)
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/view.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^ ambiguous name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `fsize` could refer to a crate passed with `--extern`
[INFO] [stdout]   = help: use `::fsize` to refer to this crate unambiguously
[INFO] [stdout] note: `fsize` could also refer to the type alias imported here
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-ios-sys-0.1.0/src/view.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fsize::fsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   = help: use `self::fsize` to refer to this type alias unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polyhorn-ios-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a5d818c9f3895446ce9fb78d2a01c35c6e78ce916caa4d674c240de81b0ae147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d818c9f3895446ce9fb78d2a01c35c6e78ce916caa4d674c240de81b0ae147", kill_on_drop: false }`
[INFO] [stdout] a5d818c9f3895446ce9fb78d2a01c35c6e78ce916caa4d674c240de81b0ae147