[INFO] fetching crate plaintext 0.27.0...
[INFO] testing plaintext-0.27.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate plaintext 0.27.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate plaintext 0.27.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plaintext 0.27.0
[INFO] finished tweaking crates.io crate plaintext 0.27.0
[INFO] tweaked toml for crates.io crate plaintext 0.27.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.17
[INFO] [stderr]   Downloaded futures-io v0.3.17
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded multihash-derive v0.7.2
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded asynchronous-codec v0.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded parking_lot v0.11.2
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[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
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[INFO] [stderr]   Downloaded crunchy v0.2.2
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[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.2
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded digest v0.9.0
[INFO] [stderr]   Downloaded zeroize v1.4.1
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.28
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded unsigned-varint v0.5.1
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded futures-timer v3.0.2
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[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded pin-project v0.4.28
[INFO] [stderr]   Downloaded bs58 v0.4.0
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded sha2 v0.9.8
[INFO] [stderr]   Downloaded unsigned-varint v0.6.0
[INFO] [stderr]   Downloaded multihash v0.13.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded asn1_der v0.6.3
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] [stderr]   Downloaded tet-multiaddr v0.11.0
[INFO] [stderr]   Downloaded tet-libp2p-core v0.27.0
[INFO] [stderr]   Downloaded rand v0.7.3
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[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e397e1081b872d6d615752177f00f56fa8ebe42c4e18c3475b69282eec90f23
[INFO] running `Command { std: "docker" "start" "-a" "5e397e1081b872d6d615752177f00f56fa8ebe42c4e18c3475b69282eec90f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e397e1081b872d6d615752177f00f56fa8ebe42c4e18c3475b69282eec90f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e397e1081b872d6d615752177f00f56fa8ebe42c4e18c3475b69282eec90f23", kill_on_drop: false }`
[INFO] [stdout] 5e397e1081b872d6d615752177f00f56fa8ebe42c4e18c3475b69282eec90f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a70fdaacbb064c31474a3320688d7ce8eaf14d013d8ac6f6bc04d1fcefc0d0f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a70fdaacbb064c31474a3320688d7ce8eaf14d013d8ac6f6bc04d1fcefc0d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.7.0/src/lib.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |             .intersperse(quote!(|));
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 105 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 106 +             .tags()
[INFO] [stdout] 107 +             .into_iter()
[INFO] [stdout] 108 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 109 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 110 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 105 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 106 +             .tags()
[INFO] [stdout] 107 +             .into_iter()
[INFO] [stdout] 108 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 109 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 110 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-derive` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8a70fdaacbb064c31474a3320688d7ce8eaf14d013d8ac6f6bc04d1fcefc0d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a70fdaacbb064c31474a3320688d7ce8eaf14d013d8ac6f6bc04d1fcefc0d0f", kill_on_drop: false }`
[INFO] [stdout] 8a70fdaacbb064c31474a3320688d7ce8eaf14d013d8ac6f6bc04d1fcefc0d0f