[INFO] fetching crate gear-common 1.10.0...
[INFO] checking gear-common-1.10.0 against try#1c4199da70f816f2239f41c55168ff75a3663718 for pr-155499
[INFO] extracting crate gear-common 1.10.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gear-common 1.10.0
[INFO] finished tweaking crates.io crate gear-common 1.10.0
[INFO] tweaked toml for crates.io crate gear-common 1.10.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gear-common 1.10.0 on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gear-common 1.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2ab66c70f0387fdecdba76fb2dd37986248c22786ec13020c1eaddf2983672d
[INFO] running `Command { std: "docker" "start" "-a" "f2ab66c70f0387fdecdba76fb2dd37986248c22786ec13020c1eaddf2983672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ab66c70f0387fdecdba76fb2dd37986248c22786ec13020c1eaddf2983672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ab66c70f0387fdecdba76fb2dd37986248c22786ec13020c1eaddf2983672d", kill_on_drop: false }`
[INFO] [stdout] f2ab66c70f0387fdecdba76fb2dd37986248c22786ec13020c1eaddf2983672d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915123aaa67dbb6f10ffe080ece761b7ad3acdfe70859179ef11874b8eaee0fc
[INFO] running `Command { std: "docker" "start" "-a" "915123aaa67dbb6f10ffe080ece761b7ad3acdfe70859179ef11874b8eaee0fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.11
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[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
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[INFO] [stderr]     Checking trie-db v0.29.1
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[INFO] [stderr]    Compiling sp-io v38.0.2
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.29.1/src/node.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                      -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<A, E>>` is implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/result.rs:2109:0
[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 for `Result<!, Box<TrieError<<... as Hasher>::Out, ...>>>` to implement `FromIterator<Result<(), Box<TrieError<<... as Hasher>::Out, ...>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/trie_db-1ae70823446bf352.long-type-10271506985702763189.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.29.1/src/node.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                      -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<A, E>>` is implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/result.rs:2109:0
[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 for `Result<!, Box<TrieError<<... as Hasher>::Out, ...>>>` to implement `FromIterator<Result<(), Box<TrieError<<... as Hasher>::Out, ...>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/1c4199da70f816f2239f41c55168ff75a3663718/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/trie_db-1ae70823446bf352.long-type-10271506985702763189.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trie-db` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "915123aaa67dbb6f10ffe080ece761b7ad3acdfe70859179ef11874b8eaee0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915123aaa67dbb6f10ffe080ece761b7ad3acdfe70859179ef11874b8eaee0fc", kill_on_drop: false }`
[INFO] [stdout] 915123aaa67dbb6f10ffe080ece761b7ad3acdfe70859179ef11874b8eaee0fc
