[INFO] fetching crate polyhorn-ui 0.4.0...
[INFO] documenting polyhorn-ui-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate polyhorn-ui 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate polyhorn-ui 0.4.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-ui 0.4.0
[INFO] finished tweaking crates.io crate polyhorn-ui 0.4.0
[INFO] tweaked toml for crates.io crate polyhorn-ui 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] [stderr]   Downloaded stretch v0.3.2
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[INFO] [stdout] e0199fac77cd049c19e0deddcc1395681b6f75da9e951a26b7855bf69e1c80fa
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[INFO] [stderr]    Compiling num-traits v0.2.15
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[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
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[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stderr]  Documenting polyhorn-ui v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.04s
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[INFO] running `Command { std: "docker" "rm" "-f" "e0199fac77cd049c19e0deddcc1395681b6f75da9e951a26b7855bf69e1c80fa", kill_on_drop: false }`
[INFO] [stdout] e0199fac77cd049c19e0deddcc1395681b6f75da9e951a26b7855bf69e1c80fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ec6ea1369fb3b16c4238446390b3a79a20d808ef178a838d5239776403581977
[INFO] running `Command { std: "docker" "start" "-a" "ec6ea1369fb3b16c4238446390b3a79a20d808ef178a838d5239776403581977", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bindgen v0.55.1
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[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.21
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[INFO] [stderr]     Checking futures-io v0.3.21
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[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling shlex v0.1.1
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[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.4.4
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[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.4
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking casco v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stdout] error[E0425]: cannot find value `rx` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-core-0.4.0/src/evloop.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 | /             select! {
[INFO] [stdout] 53 | |                 _ = rx => {},
[INFO] [stdout] 54 | |                 _ = task => {},
[INFO] [stdout] 55 | |             };
[INFO] [stdout]    | |_____________^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `task` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-core-0.4.0/src/evloop.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 | /             select! {
[INFO] [stdout] 53 | |                 _ = rx => {},
[INFO] [stdout] 54 | |                 _ = task => {},
[INFO] [stdout] 55 | |             };
[INFO] [stdout]    | |_____________^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-core-0.4.0/src/evloop.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |  /     pub async fn main(mut self) {
[INFO] [stdout] 106 |  |         let mut tasks = FuturesUnordered::<Pin<Box<dyn Future<Output = Option<Message>>>>>::new();
[INFO] [stdout] 107 |  |
[INFO] [stdout] 108 |  |         loop {
[INFO] [stdout] 109 | /|             select! {
[INFO] [stdout] 110 | ||                 message = self.rx.next() => {
[INFO] [stdout] 111 | ||                     match message {
[INFO] [stdout] 112 | ||                         Some(Message::Refresh) => {
[INFO] [stdout] ...   ||
[INFO] [stdout] 120 | ||                 _ = tasks.next() => {},
[INFO] [stdout] 121 | ||             };
[INFO] [stdout]     | ||_____________^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout] 122 |  |         }
[INFO] [stdout] 123 |  |     }
[INFO] [stdout]     |  |_____- this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `tasks` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/polyhorn-core-0.4.0/src/evloop.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 | /             select! {
[INFO] [stdout] 110 | |                 message = self.rx.next() => {
[INFO] [stdout] 111 | |                     match message {
[INFO] [stdout] 112 | |                         Some(Message::Refresh) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 120 | |                 _ = tasks.next() => {},
[INFO] [stdout] 121 | |             };
[INFO] [stdout]     | |_____________^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::select_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0424, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0424`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polyhorn-core` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec6ea1369fb3b16c4238446390b3a79a20d808ef178a838d5239776403581977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6ea1369fb3b16c4238446390b3a79a20d808ef178a838d5239776403581977", kill_on_drop: false }`
[INFO] [stdout] ec6ea1369fb3b16c4238446390b3a79a20d808ef178a838d5239776403581977