[INFO] fetching crate polyhorn-test 0.4.1...
[INFO] checking polyhorn-test-0.4.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate polyhorn-test 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polyhorn-test 0.4.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-test 0.4.1
[INFO] finished tweaking crates.io crate polyhorn-test 0.4.1
[INFO] tweaked toml for crates.io crate polyhorn-test 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff6f2d731402360e8d3563b2e863d2cf3d3e666231b1e81ebc3f833a6b1064ea
[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" "ff6f2d731402360e8d3563b2e863d2cf3d3e666231b1e81ebc3f833a6b1064ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff6f2d731402360e8d3563b2e863d2cf3d3e666231b1e81ebc3f833a6b1064ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6f2d731402360e8d3563b2e863d2cf3d3e666231b1e81ebc3f833a6b1064ea", kill_on_drop: false }`
[INFO] [stdout] ff6f2d731402360e8d3563b2e863d2cf3d3e666231b1e81ebc3f833a6b1064ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7ccf22a80f397d6caa5d23d16f4fd3c36a0dcde08d4576b0ed9521dcb592c1b
[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" "b7ccf22a80f397d6caa5d23d16f4fd3c36a0dcde08d4576b0ed9521dcb592c1b", kill_on_drop: false }`
[INFO] [stderr] Compiling memchr v2.3.4
[INFO] [stderr] Compiling log v0.4.11
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Compiling pkg-config v0.3.19
[INFO] [stderr] Checking pin-project-lite v0.2.0
[INFO] [stderr] Compiling openssl v0.10.32
[INFO] [stderr] Compiling native-tls v0.2.7
[INFO] [stderr] Checking ucd-trie v0.1.3
[INFO] [stderr] Compiling encoding_rs v0.8.26
[INFO] [stderr] Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr] Checking futures-channel v0.3.8
[INFO] [stderr] Compiling indexmap v1.6.1
[INFO] [stderr] Checking tracing-core v0.1.17
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Checking form_urlencoded v1.0.0
[INFO] [stderr] Checking http-body v0.3.1
[INFO] [stderr] Checking net2 v0.2.37
[INFO] [stderr] Checking socket2 v0.3.19
[INFO] [stderr] Checking idna v0.2.0
[INFO] [stderr] Compiling syn v1.0.56
[INFO] [stderr] Compiling polyhorn-macros v0.4.0
[INFO] [stderr] Checking pest v2.1.3
[INFO] [stderr] Compiling openssl-sys v0.9.60
[INFO] [stderr] Compiling mime_guess v2.0.3
[INFO] [stderr] Checking url v2.2.0
[INFO] [stderr] Checking mio v0.6.23
[INFO] [stderr] Checking tracing v0.1.22
[INFO] [stderr] Checking want v0.3.0
[INFO] [stderr] Checking semver-parser v0.10.1
[INFO] [stderr] Checking tokio v0.2.24
[INFO] [stderr] Checking tokio-util v0.3.1
[INFO] [stderr] Compiling pin-project-internal v1.0.2
[INFO] [stderr] Compiling futures-macro v0.3.8
[INFO] [stderr] Compiling serde_derive v1.0.118
[INFO] [stderr] Compiling pin-project-internal v0.4.27
[INFO] [stderr] Compiling ctor v0.1.17
[INFO] [stderr] Checking pin-project v0.4.27
[INFO] [stderr] Checking pin-project v1.0.2
[INFO] [stderr] Checking tracing-futures v0.2.4
[INFO] [stderr] Checking futures-util v0.3.8
[INFO] [stderr] Checking serde v1.0.118
[INFO] [stderr] Checking h2 v0.2.7
[INFO] [stderr] Checking futures-executor v0.3.8
[INFO] [stderr] Checking futures v0.3.8
[INFO] [stderr] Checking toml v0.5.8
[INFO] [stderr] Checking semver v0.11.0
[INFO] [stderr] Checking serde_json v1.0.61
[INFO] [stderr] Checking serde_urlencoded v0.7.0
[INFO] [stderr] Checking polyhorn-core v0.4.0
[INFO] [stderr] Checking cargo-lock v6.0.0
[INFO] [stderr] Checking polyhorn v0.4.1
[INFO] [stderr] Checking hyper v0.13.9
[INFO] [stderr] Checking tokio-tls v0.3.1
[INFO] [stderr] Checking hyper-tls v0.4.3
[INFO] [stderr] Checking reqwest v0.10.10
[INFO] [stderr] Checking polyhorn-test v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `polyhorn::prelude`
[INFO] [stdout] --> src/app.rs:2:15
[INFO] [stdout] |
[INFO] [stdout] 2 | use polyhorn::prelude::*;
[INFO] [stdout] | ^^^^^^^ could not find `prelude` in `polyhorn`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error[E0432]: unresolved imports `polyhorn::Receiver`, `polyhorn::Reference`
[INFO] [stdout] --> src/app.rs:3:16
[INFO] [stdout] |
[INFO] [stdout] 3 | use polyhorn::{Receiver, Reference};
[INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ no `Reference` in the root
[INFO] [stdout] | |
[INFO] [stdout] | no `Receiver` in the root
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error[E0432]: unresolved imports `polyhorn::Element`, `polyhorn::Sender`
[INFO] [stdout] --> src/automator.rs:2:16
[INFO] [stdout] |
[INFO] [stdout] 2 | use polyhorn::{Element, Sender};
[INFO] [stdout] | ^^^^^^^ ^^^^^^ no `Sender` in the root
[INFO] [stdout] | |
[INFO] [stdout] | no `Element` in the root
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error[E0432]: unresolved import `polyhorn::prelude`
[INFO] [stdout] --> src/channel.rs:2:15
[INFO] [stdout] |
[INFO] [stdout] 2 | use polyhorn::prelude::*;
[INFO] [stdout] | ^^^^^^^ could not find `prelude` in `polyhorn`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error[E0432]: unresolved import `polyhorn::WeakReference`
[INFO] [stdout] --> src/channel.rs:3:5
[INFO] [stdout] |
[INFO] [stdout] 3 | use polyhorn::WeakReference;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ no `WeakReference` in the root
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] error: cannot find macro `use_reference` in this scope
[INFO] [stdout] --> src/app.rs:15:51
[INFO] [stdout] |
[INFO] [stdout] 15 | let element: Reference