[INFO] cloning repository https://github.com/charles-e/visible-safecoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charles-e/visible-safecoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-e%2Fvisible-safecoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-e%2Fvisible-safecoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aff40d983d8ef328cb02202d5843c747fdb9a17e
[INFO] documenting charles-e/visible-safecoin against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-e%2Fvisible-safecoin" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charles-e/visible-safecoin on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charles-e/visible-safecoin
[INFO] finished tweaking git repo https://github.com/charles-e/visible-safecoin
[INFO] tweaked toml for git repo https://github.com/charles-e/visible-safecoin written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/charles-e/visible-safecoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b54f907f001fd55cc9f1b3ab76a08143f5d3e16be71dc0c17e5a15be233cce71
[INFO] running `Command { std: "docker" "start" "-a" "b54f907f001fd55cc9f1b3ab76a08143f5d3e16be71dc0c17e5a15be233cce71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54f907f001fd55cc9f1b3ab76a08143f5d3e16be71dc0c17e5a15be233cce71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54f907f001fd55cc9f1b3ab76a08143f5d3e16be71dc0c17e5a15be233cce71", kill_on_drop: false }`
[INFO] [stdout] b54f907f001fd55cc9f1b3ab76a08143f5d3e16be71dc0c17e5a15be233cce71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e3cd3bae4555f388cf1025546c35f7a88b2b30577e0fb0467eded0567ad8585
[INFO] running `Command { std: "docker" "start" "-a" "6e3cd3bae4555f388cf1025546c35f7a88b2b30577e0fb0467eded0567ad8585", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `safecoin-faucet` in package `safecoin-faucet v1.6.0 (/opt/rustwide/workdir/faucet)` has the same output filename as the lib target `safecoin_faucet` in package `safecoin-faucet v1.6.0 (/opt/rustwide/workdir/faucet)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/safecoin_faucet/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.54.0 (5ae8d74b3 2021-06-22) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "safecoin-faucet", version: "1.6.0", source: "/opt/rustwide/workdir/faucet" }, ..: ".." }, target: TargetInner { name: "safecoin-faucet", doc: true, ..: with_path("/opt/rustwide/workdir/faucet/src/bin/faucet.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 7083743359051046886 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "safecoin-faucet", version: "1.6.0", source: "/opt/rustwide/workdir/faucet" }, ..: ".." }, target: TargetInner { ..: lib_target("safecoin_faucet", ["lib"], "/opt/rustwide/workdir/faucet/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 6801117719796560674 }
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `safecoin-genesis` in package `safecoin-genesis v1.6.0 (/opt/rustwide/workdir/genesis)` has the same output filename as the lib target `safecoin_genesis` in package `safecoin-genesis v1.6.0 (/opt/rustwide/workdir/genesis)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/safecoin_genesis/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.54.0 (5ae8d74b3 2021-06-22) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "safecoin-genesis", version: "1.6.0", source: "/opt/rustwide/workdir/genesis" }, ..: ".." }, target: TargetInner { name: "safecoin-genesis", doc: true, ..: with_path("/opt/rustwide/workdir/genesis/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 14186321212847219711 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "safecoin-genesis", version: "1.6.0", source: "/opt/rustwide/workdir/genesis" }, ..: ".." }, target: TargetInner { ..: lib_target("safecoin_genesis", ["lib"], "/opt/rustwide/workdir/genesis/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 13407131943907770389 }
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]     Checking simpl v0.1.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking indexed v0.1.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking raptorq v1.6.2
[INFO] [stderr]    Compiling safecoin-install v1.6.0 (/opt/rustwide/workdir/install)
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking fast-math v0.1.1
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking dir-diff v0.3.2
[INFO] [stderr]     Checking trees v0.2.1
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking unix_socket2 v0.5.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.6.0 (/opt/rustwide/workdir/frozen-abi/macro)
[INFO] [stderr]    Compiling solana-frozen-abi v1.6.0 (/opt/rustwide/workdir/frozen-abi)
[INFO] [stderr]    Compiling solana-program v1.6.0 (/opt/rustwide/workdir/sdk/program)
[INFO] [stderr]    Compiling solana-sdk v1.6.0 (/opt/rustwide/workdir/sdk)
[INFO] [stderr]    Compiling solana-vote-program v1.6.0 (/opt/rustwide/workdir/programs/vote)
[INFO] [stderr]    Compiling solana-stake-program v1.6.0 (/opt/rustwide/workdir/programs/stake)
[INFO] [stderr]    Compiling solana-runtime v1.6.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]    Compiling solana-version v1.6.0 (/opt/rustwide/workdir/version)
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.5.8
[INFO] [stderr]    Compiling solana-frozen-abi v1.5.8
[INFO] [stderr]    Compiling solana-program v1.5.8
[INFO] [stderr]    Compiling solana-ledger v1.6.0 (/opt/rustwide/workdir/ledger)
[INFO] [stderr]    Compiling solana-core v1.6.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking solana-rayon-threadlimit v1.6.0 (/opt/rustwide/workdir/rayon-threadlimit)
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]  Documenting solana-rayon-threadlimit v1.6.0 (/opt/rustwide/workdir/rayon-threadlimit)
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking cc v1.0.49
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tar v0.4.32
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking criterion-stats v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking miow v0.2.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=ba29fc71cc7d64f6 -C extra-filename=-ba29fc71cc7d64f6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6e3cd3bae4555f388cf1025546c35f7a88b2b30577e0fb0467eded0567ad8585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3cd3bae4555f388cf1025546c35f7a88b2b30577e0fb0467eded0567ad8585", kill_on_drop: false }`
[INFO] [stdout] 6e3cd3bae4555f388cf1025546c35f7a88b2b30577e0fb0467eded0567ad8585
