[INFO] fetching crate tc-state 0.5.0...
[INFO] testing tc-state-0.5.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tc-state 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tc-state 0.5.0
[INFO] finished tweaking crates.io crate tc-state 0.5.0
[INFO] tweaked toml for crates.io crate tc-state 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tc-state 0.5.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 170 packages to highest compatible versions
[INFO] [stderr]       Adding async-hash v0.5.4 (available: v0.6.0)
[INFO] [stderr]       Adding destream v0.8.0 (available: v0.10.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding tbon v0.6.0 (available: v0.9.0)
[INFO] [stderr]       Adding tc-error v0.12.0 (available: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7
[INFO] running `Command { std: "docker" "start" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.26
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[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling typenum v1.20.1
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[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling bytes v1.12.1
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[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling quote-use v0.7.2
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling attribute-derive-macro v0.6.1
[INFO] [stderr]    Compiling attribute-derive v0.6.1
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling get-size-derive v0.1.3
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[INFO] [stderr]    Compiling ds-ext v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.34
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[INFO] [stderr]    Compiling destream v0.8.0
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[INFO] [stdout] error[E0277]: the trait bound `!: FromStream` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/destream-0.8.0/src/de/impls.rs:827:25
[INFO] [stdout]     |
[INFO] [stdout] 827 |             let _ = map.next_value(()).await?;
[INFO] [stdout]     |                         ^^^^^^^^^^ the trait `FromStream` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `FromStream`:
[INFO] [stdout]               ()
[INFO] [stdout]               IgnoredAny
[INFO] [stdout]               Option<T>
[INFO] [stdout]               PhantomData<T>
[INFO] [stdout]               SmallVec<[T; N]>
[INFO] [stdout]               String
[INFO] [stdout]               Uuid
[INFO] [stdout]               Vec<T>
[INFO] [stdout]             and 70 others
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `MapAccess::next_value`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/destream-0.8.0/src/de/mod.rs:274:28
[INFO] [stdout]     |
[INFO] [stdout] 251 | pub trait MapAccess: Send {
[INFO] [stdout] ...
[INFO] [stdout] 274 |     async fn next_value<V: FromStream>(&mut self, context: V::Context) -> Result<V, Self::Error>;
[INFO] [stdout]     |                            ^^^^^^^^^^ required by this bound in `MapAccess::next_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `destream` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7", kill_on_drop: false }`
[INFO] [stdout] 014f41815e58060d152221e1f30a78dfc1ef59f9da8af3cdd6be896f6cd30fd7
