[INFO] fetching crate polyhorn-test 0.4.1...
[INFO] checking polyhorn-test-0.4.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate polyhorn-test 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate polyhorn-test 0.4.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a97fd94eca3cb13c43d679917c3d1a808d489b8283dd7a6b5efc9b81dec4963
[INFO] running `Command { std: "docker" "start" "-a" "6a97fd94eca3cb13c43d679917c3d1a808d489b8283dd7a6b5efc9b81dec4963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a97fd94eca3cb13c43d679917c3d1a808d489b8283dd7a6b5efc9b81dec4963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a97fd94eca3cb13c43d679917c3d1a808d489b8283dd7a6b5efc9b81dec4963", kill_on_drop: false }`
[INFO] [stdout] 6a97fd94eca3cb13c43d679917c3d1a808d489b8283dd7a6b5efc9b81dec4963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec7d1969c8841ce434d97db1092b7ee250f8c8584b696900645b1de38d55aa3f
[INFO] running `Command { std: "docker" "start" "-a" "ec7d1969c8841ce434d97db1092b7ee250f8c8584b696900645b1de38d55aa3f", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.27
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling syn v1.0.73
[INFO] [stderr] Checking cfg-if v1.0.0
[INFO] [stderr] Compiling futures-core v0.3.15
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Checking slab v0.4.3
[INFO] [stderr] Compiling proc-macro-hack v0.5.19
[INFO] [stderr] Compiling serde_derive v1.0.126
[INFO] [stderr] Compiling cc v1.0.69
[INFO] [stderr] Checking futures-sink v0.3.15
[INFO] [stderr] Compiling futures-task v0.3.15
[INFO] [stderr] Checking pin-project-lite v0.2.7
[INFO] [stderr] Compiling futures-channel v0.3.15
[INFO] [stderr] Compiling proc-macro-nested v0.1.7
[INFO] [stderr] Compiling pkg-config v0.3.19
[INFO] [stderr] Compiling serde v1.0.126
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Checking pin-utils v0.1.0
[INFO] [stderr] Checking futures-io v0.3.15
[INFO] [stderr] Checking fnv v1.0.7
[INFO] [stderr] Compiling version_check v0.9.3
[INFO] [stderr] Checking itoa v0.4.7
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Checking tinyvec_macros v0.1.0
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling openssl v0.10.35
[INFO] [stderr] Checking foreign-types-shared v0.1.1
[INFO] [stderr] Checking percent-encoding v2.1.0
[INFO] [stderr] Checking once_cell v1.8.0
[INFO] [stderr] Compiling native-tls v0.2.7
[INFO] [stderr] Checking hashbrown v0.11.2
[INFO] [stderr] Compiling httparse v1.4.1
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Checking try-lock v0.2.3
[INFO] [stderr] Checking openssl-probe v0.1.4
[INFO] [stderr] Compiling serde_json v1.0.64
[INFO] [stderr] Checking tower-service v0.3.1
[INFO] [stderr] Checking httpdate v0.3.2
[INFO] [stderr] Checking mime v0.3.16
[INFO] [stderr] Checking ipnet v2.3.1
[INFO] [stderr] Checking base64 v0.13.0
[INFO] [stderr] Checking unicode-bidi v0.3.5
[INFO] [stderr] Checking foreign-types v0.3.2
[INFO] [stderr] Checking tinyvec v1.3.0
[INFO] [stderr] Checking tracing-core v0.1.18
[INFO] [stderr] Checking semver-parser v0.10.2
[INFO] [stderr] Checking form_urlencoded v1.0.1
[INFO] [stderr] Checking http v0.2.4
[INFO] [stderr] Checking encoding_rs v0.8.28
[INFO] [stderr] Checking net2 v0.2.37
[INFO] [stderr] Checking socket2 v0.3.19
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Compiling futures-macro v0.3.15
[INFO] [stderr] Compiling futures-util v0.3.15
[INFO] [stderr] Compiling indexmap v1.7.0
[INFO] [stderr] Checking mio v0.6.23
[INFO] [stderr] Checking want v0.3.0
[INFO] [stderr] Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr] Checking tracing v0.1.26
[INFO] [stderr] Compiling openssl-sys v0.9.65
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling mime_guess v2.0.3
[INFO] [stderr] Checking tokio v0.2.25
[INFO] [stderr] Checking unicode-normalization v0.1.19
[INFO] [stderr] Compiling polyhorn-macros v0.4.0
[INFO] [stderr] Checking idna v0.2.3
[INFO] [stderr] Checking http-body v0.3.1
[INFO] [stderr] Checking tokio-util v0.3.1
[INFO] [stderr] Checking url v2.2.2
[INFO] [stderr] Compiling pin-project-internal v1.0.8
[INFO] [stderr] Compiling ctor v0.1.20
[INFO] [stderr] Checking pin-project v1.0.8
[INFO] [stderr] Checking tracing-futures v0.2.5
[INFO] [stderr] Checking h2 v0.2.7
[INFO] [stderr] Checking futures-executor v0.3.15
[INFO] [stderr] Checking futures v0.3.15
[INFO] [stderr] Checking tokio-tls v0.3.1
[INFO] [stderr] Checking hyper v0.13.10
[INFO] [stderr] Checking toml v0.5.8
[INFO] [stderr] Checking semver v0.11.0
[INFO] [stderr] Checking serde_urlencoded v0.7.0
[INFO] [stderr] Checking polyhorn-core v0.4.0
[INFO] [stderr] Checking cargo-lock v6.0.1
[INFO] [stderr] Checking polyhorn v0.4.1
[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