[INFO] fetching crate gadget-core 0.0.1...
[INFO] checking gadget-core-0.0.1 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] extracting crate gadget-core 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gadget-core 0.0.1
[INFO] finished tweaking crates.io crate gadget-core 0.0.1
[INFO] tweaked toml for crates.io crate gadget-core 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gadget-core 0.0.1 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 435 packages to latest compatible versions
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding gadget-io v0.0.1 (available: v0.0.5)
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.2)
[INFO] [stderr]       Adding sp-core v29.0.0 (available: v40.0.0)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[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 }`
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[INFO] [stderr]   Downloaded libp2p v0.54.1
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[INFO] [stderr]   Downloaded sp-io v31.0.0
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[INFO] [stderr]   Downloaded sp-runtime-interface v25.0.0
[INFO] [stderr]   Downloaded gadget-io v0.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] 43b9d2d85e643596823451d200b58133751eb8e59be18128125b63371a27bd4b
[INFO] running `Command { std: "docker" "start" "-a" "43b9d2d85e643596823451d200b58133751eb8e59be18128125b63371a27bd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b9d2d85e643596823451d200b58133751eb8e59be18128125b63371a27bd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b9d2d85e643596823451d200b58133751eb8e59be18128125b63371a27bd4b", kill_on_drop: false }`
[INFO] [stdout] 43b9d2d85e643596823451d200b58133751eb8e59be18128125b63371a27bd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] b11187afc75dda36ab1af914f1cd6ec98e4db6760f86a016625955ad5541eb92
[INFO] running `Command { std: "docker" "start" "-a" "b11187afc75dda36ab1af914f1cd6ec98e4db6760f86a016625955ad5541eb92", kill_on_drop: false }`
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[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-0.28.0/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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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-336e098a2d2e09d6.long-type-9203882738155062036.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-0.28.0/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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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-336e098a2d2e09d6.long-type-9203882738155062036.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking libp2p-core v0.42.0
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]     Checking secp256k1 v0.28.2
[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" "b11187afc75dda36ab1af914f1cd6ec98e4db6760f86a016625955ad5541eb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11187afc75dda36ab1af914f1cd6ec98e4db6760f86a016625955ad5541eb92", kill_on_drop: false }`
[INFO] [stdout] b11187afc75dda36ab1af914f1cd6ec98e4db6760f86a016625955ad5541eb92
