[INFO] fetching crate polyhorn-test 0.4.1...
[INFO] checking polyhorn-test-0.4.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate polyhorn-test 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polyhorn-test 0.4.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc944200e8ed389f31064cbdf5ba16bdde6d2025cdc3aad33a4909d42ce72469
[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" "cc944200e8ed389f31064cbdf5ba16bdde6d2025cdc3aad33a4909d42ce72469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc944200e8ed389f31064cbdf5ba16bdde6d2025cdc3aad33a4909d42ce72469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc944200e8ed389f31064cbdf5ba16bdde6d2025cdc3aad33a4909d42ce72469", kill_on_drop: false }`
[INFO] [stdout] cc944200e8ed389f31064cbdf5ba16bdde6d2025cdc3aad33a4909d42ce72469
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997347844f21dd4496dab921b0fa96060a336ff0a2a9b5e4190a0c1a7fec5fcd
[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" "997347844f21dd4496dab921b0fa96060a336ff0a2a9b5e4190a0c1a7fec5fcd", kill_on_drop: false }`
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling syn v1.0.60
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Checking slab v0.4.2
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Compiling version_check v0.9.2
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling openssl v0.10.32
[INFO] [stderr] Checking percent-encoding v2.1.0
[INFO] [stderr] Checking ucd-trie v0.1.3
[INFO] [stderr] Compiling native-tls v0.2.7
[INFO] [stderr] Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr] Checking futures-channel v0.3.12
[INFO] [stderr] Checking futures-task v0.3.12
[INFO] [stderr] Checking tracing-core v0.1.17
[INFO] [stderr] Checking encoding_rs v0.8.28
[INFO] [stderr] Checking net2 v0.2.37
[INFO] [stderr] Checking socket2 v0.3.19
[INFO] [stderr] Checking want v0.3.0
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Checking idna v0.2.1
[INFO] [stderr] Checking form_urlencoded v1.0.0
[INFO] [stderr] Checking pest v2.1.3
[INFO] [stderr] Checking mio v0.6.23
[INFO] [stderr] Checking tracing v0.1.23
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Compiling openssl-sys v0.9.60
[INFO] [stderr] Compiling indexmap v1.6.1
[INFO] [stderr] Compiling quote v1.0.8
[INFO] [stderr] Checking url v2.2.0
[INFO] [stderr] Checking tokio v0.2.25
[INFO] [stderr] Compiling mime_guess v2.0.3
[INFO] [stderr] Compiling polyhorn-macros v0.4.0
[INFO] [stderr] Checking semver-parser v0.10.2
[INFO] [stderr] Checking tokio-util v0.3.1
[INFO] [stderr] Compiling futures-macro v0.3.12
[INFO] [stderr] Compiling serde_derive v1.0.123
[INFO] [stderr] Compiling pin-project-internal v0.4.27
[INFO] [stderr] Compiling pin-project-internal v1.0.5
[INFO] [stderr] Compiling ctor v0.1.19
[INFO] [stderr] Checking futures-util v0.3.12
[INFO] [stderr] Checking pin-project v1.0.5
[INFO] [stderr] Checking pin-project v0.4.27
[INFO] [stderr] Checking tracing-futures v0.2.4
[INFO] [stderr] Checking futures-executor v0.3.12
[INFO] [stderr] Checking h2 v0.2.7
[INFO] [stderr] Checking futures v0.3.12
[INFO] [stderr] Checking serde v1.0.123
[INFO] [stderr] Checking semver v0.11.0
[INFO] [stderr] Checking toml v0.5.8
[INFO] [stderr] Checking polyhorn-core v0.4.0
[INFO] [stderr] Checking serde_json v1.0.62
[INFO] [stderr] Checking serde_urlencoded v0.7.0
[INFO] [stderr] Checking tokio-tls v0.3.1
[INFO] [stderr] Checking cargo-lock v6.0.1
[INFO] [stderr] Checking hyper v0.13.10
[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[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