[INFO] fetching crate tcgeneric 0.11.0...
[INFO] checking tcgeneric-0.11.0 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for pr-155501
[INFO] extracting crate tcgeneric 0.11.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tcgeneric 0.11.0
[INFO] finished tweaking crates.io crate tcgeneric 0.11.0
[INFO] tweaked toml for crates.io crate tcgeneric 0.11.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcgeneric 0.11.0 on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest 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 pathlink v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.0)
[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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787fc8e22037338cc36b2b1e001a7cb256cfc890b5705d19735eb806110a3784
[INFO] running `Command { std: "docker" "start" "-a" "787fc8e22037338cc36b2b1e001a7cb256cfc890b5705d19735eb806110a3784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787fc8e22037338cc36b2b1e001a7cb256cfc890b5705d19735eb806110a3784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787fc8e22037338cc36b2b1e001a7cb256cfc890b5705d19735eb806110a3784", kill_on_drop: false }`
[INFO] [stdout] 787fc8e22037338cc36b2b1e001a7cb256cfc890b5705d19735eb806110a3784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca45bdab27a9174bedb015cdd65aeeb42d1758c1c4c06d1a396cc486b2cfa2e3
[INFO] running `Command { std: "docker" "start" "-a" "ca45bdab27a9174bedb015cdd65aeeb42d1758c1c4c06d1a396cc486b2cfa2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling collection_literals v1.0.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]     Checking safecast v0.2.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking get-size v0.1.4
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling derive-where v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]    Compiling quote-use-macros v0.7.2
[INFO] [stderr]    Compiling quote-use v0.7.2
[INFO] [stderr]    Compiling attribute-derive-macro v0.6.1
[INFO] [stderr]    Compiling attribute-derive v0.6.1
[INFO] [stderr]    Compiling get-size-derive v0.1.3
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking async-hash v0.5.4
[INFO] [stderr]     Checking destream v0.8.0
[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]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6)
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7)
[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] 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" "ca45bdab27a9174bedb015cdd65aeeb42d1758c1c4c06d1a396cc486b2cfa2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca45bdab27a9174bedb015cdd65aeeb42d1758c1c4c06d1a396cc486b2cfa2e3", kill_on_drop: false }`
[INFO] [stdout] ca45bdab27a9174bedb015cdd65aeeb42d1758c1c4c06d1a396cc486b2cfa2e3