[INFO] fetching crate polyhorn-test 0.4.1...
[INFO] checking polyhorn-test-0.4.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate polyhorn-test 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate polyhorn-test 0.4.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e4023017f350540bf0859a6f3791e2b8c8ad599d51b69a339bd959ac7848ead
[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" "2e4023017f350540bf0859a6f3791e2b8c8ad599d51b69a339bd959ac7848ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e4023017f350540bf0859a6f3791e2b8c8ad599d51b69a339bd959ac7848ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4023017f350540bf0859a6f3791e2b8c8ad599d51b69a339bd959ac7848ead", kill_on_drop: false }`
[INFO] [stdout] 2e4023017f350540bf0859a6f3791e2b8c8ad599d51b69a339bd959ac7848ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a2190be5c7c6a901337aeeb0818235c6e45215e6300c28fe8facbe39aa477b
[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" "03a2190be5c7c6a901337aeeb0818235c6e45215e6300c28fe8facbe39aa477b", kill_on_drop: false }`
[INFO] [stderr] Compiling libc v0.2.95
[INFO] [stderr] Compiling futures-core v0.3.15
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Checking bytes v0.5.6
[INFO] [stderr] Checking pin-project-lite v0.1.12
[INFO] [stderr] Compiling openssl v0.10.34
[INFO] [stderr] Compiling native-tls v0.2.7
[INFO] [stderr] Checking hashbrown v0.9.1
[INFO] [stderr] Checking ucd-trie v0.1.3
[INFO] [stderr] Compiling encoding_rs v0.8.28
[INFO] [stderr] Checking httpdate v0.3.2
[INFO] [stderr] Checking mime v0.3.16
[INFO] [stderr] Checking ipnet v2.3.0
[INFO] [stderr] Compiling futures-macro v0.3.15
[INFO] [stderr] Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr] Compiling futures-util v0.3.15
[INFO] [stderr] Compiling indexmap v1.6.2
[INFO] [stderr] Compiling unicase v2.6.0
[INFO] [stderr] Checking tracing-core v0.1.18
[INFO] [stderr] Checking pest v2.1.3
[INFO] [stderr] Compiling polyhorn-macros v0.4.0
[INFO] [stderr] Compiling ctor v0.1.20
[INFO] [stderr] Checking toml v0.5.8
[INFO] [stderr] Checking serde_urlencoded v0.7.0
[INFO] [stderr] Compiling openssl-sys v0.9.63
[INFO] [stderr] Checking futures-channel v0.3.15
[INFO] [stderr] Checking http-body v0.3.1
[INFO] [stderr] Checking tracing v0.1.26
[INFO] [stderr] Checking want v0.3.0
[INFO] [stderr] Compiling mime_guess v2.0.3
[INFO] [stderr] Checking tracing-futures v0.2.5
[INFO] [stderr] Checking semver-parser v0.10.2
[INFO] [stderr] Checking iovec v0.1.4
[INFO] [stderr] Checking net2 v0.2.37
[INFO] [stderr] Checking socket2 v0.3.19
[INFO] [stderr] Checking semver v0.11.0
[INFO] [stderr] Checking mio v0.6.23
[INFO] [stderr] Checking cargo-lock v6.0.1
[INFO] [stderr] Checking tokio v0.2.25
[INFO] [stderr] Checking futures-executor v0.3.15
[INFO] [stderr] Checking tokio-util v0.3.1
[INFO] [stderr] Checking futures v0.3.15
[INFO] [stderr] Checking h2 v0.2.7
[INFO] [stderr] Checking polyhorn-core v0.4.0
[INFO] [stderr] Checking polyhorn v0.4.1
[INFO] [stderr] Checking hyper v0.13.10
[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[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