[INFO] cloning repository https://github.com/Fantom-foundation/libconsensus-dag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fantom-foundation/libconsensus-dag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFantom-foundation%2Flibconsensus-dag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFantom-foundation%2Flibconsensus-dag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f9ec3570c70d51c060cfc5eba8d76f938890dcb
[INFO] checking Fantom-foundation/libconsensus-dag against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFantom-foundation%2Flibconsensus-dag" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fantom-foundation/libconsensus-dag on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] finished tweaking git repo https://github.com/Fantom-foundation/libconsensus-dag
[INFO] tweaked toml for git repo https://github.com/Fantom-foundation/libconsensus-dag written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libcommon-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libconsensus`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libhash-sha3`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libtransport-tcp`
[INFO] [stderr]     Updating git repository `https://github.com/Fantom-foundation/libsignature-ed25519-dalek`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 214be818a6abc3c3bbaa1c7d0d0d108e8ddaf8c9ff8ea3c583dd82a753d2abf7
[INFO] running `Command { std: "docker" "start" "-a" "214be818a6abc3c3bbaa1c7d0d0d108e8ddaf8c9ff8ea3c583dd82a753d2abf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "214be818a6abc3c3bbaa1c7d0d0d108e8ddaf8c9ff8ea3c583dd82a753d2abf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214be818a6abc3c3bbaa1c7d0d0d108e8ddaf8c9ff8ea3c583dd82a753d2abf7", kill_on_drop: false }`
[INFO] [stdout] 214be818a6abc3c3bbaa1c7d0d0d108e8ddaf8c9ff8ea3c583dd82a753d2abf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df5d1a6acd79ce1d7efec66ea81886197dde615f554d94dcf6a4beedaaf2497
[INFO] running `Command { std: "docker" "start" "-a" "6df5d1a6acd79ce1d7efec66ea81886197dde615f554d94dcf6a4beedaaf2497", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking to_vec v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking buffer v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking async-timer v0.6.3
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]     Checking os_pipe v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking libcommon-rs v0.0.2 (https://github.com/Fantom-foundation/libcommon-rs#a5b2ac03)
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking libhash v0.1.1 (https://github.com/Fantom-foundation/libhash#f98ab42c)
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/libcommon-rs-5e8b24176ba4c817/a5b2ac0/src/errors.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::{cmp::PartialEq, io, option::NoneError};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0573]: expected type, found variant `NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/libcommon-rs-5e8b24176ba4c817/a5b2ac0/src/errors.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     NoneError(NoneError),
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               not a type
[INFO] [stdout]    |               help: try using the variant's enum: `crate::errors::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0573]: expected type, found variant `NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/libcommon-rs-5e8b24176ba4c817/a5b2ac0/src/errors.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl From<NoneError> for Error {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           not a type
[INFO] [stdout]    |           help: try using the variant's enum: `crate::errors::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0573]: expected type, found variant `NoneError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/libcommon-rs-5e8b24176ba4c817/a5b2ac0/src/errors.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn from(none_error: NoneError) -> Error {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         not a type
[INFO] [stdout]    |                         help: try using the variant's enum: `crate::errors::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0573.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libcommon-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6df5d1a6acd79ce1d7efec66ea81886197dde615f554d94dcf6a4beedaaf2497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df5d1a6acd79ce1d7efec66ea81886197dde615f554d94dcf6a4beedaaf2497", kill_on_drop: false }`
[INFO] [stdout] 6df5d1a6acd79ce1d7efec66ea81886197dde615f554d94dcf6a4beedaaf2497