[INFO] cloning repository https://github.com/wolflo/token-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wolflo/token-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolflo%2Ftoken-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolflo%2Ftoken-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 763848b693a7653377cf64ee2076e422335fddb1
[INFO] documenting wolflo/token-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwolflo%2Ftoken-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wolflo/token-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wolflo/token-rs
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/wolflo/token-rs
[INFO] tweaked toml for git repo https://github.com/wolflo/token-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wolflo/token-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-7/source/tests/main.rs
[INFO] [stderr]     Updating git repository `https://github.com/gakonst/ethers-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded der v0.4.0
[INFO] [stderr]   Downloaded eth-keystore v0.3.0
[INFO] [stderr]   Downloaded coins-bip32 v0.3.0
[INFO] [stderr]   Downloaded coins-core v0.2.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.14.0
[INFO] [stderr]   Downloaded serde-aux v2.2.0
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] [stderr]   Downloaded coins-bip39 v0.3.0
[INFO] [stderr]   Downloaded ff v0.10.0
[INFO] [stderr]   Downloaded crypto-bigint v0.2.2
[INFO] [stderr]   Downloaded parity-scale-codec v2.2.0
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded ecdsa v0.12.2
[INFO] [stderr]   Downloaded uint v0.9.1
[INFO] [stderr]   Downloaded primitive-types v0.9.1
[INFO] [stderr]   Downloaded elliptic-curve v0.10.4
[INFO] [stderr]   Downloaded pkcs8 v0.7.0
[INFO] [stderr]   Downloaded spki v0.4.0
[INFO] [stderr]   Downloaded impl-codec v0.5.1
[INFO] [stderr]   Downloaded ethabi v14.1.0
[INFO] [stderr]   Downloaded k256 v0.9.4
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded const-oid v0.6.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8c75606b768dd8444f73a97e4ed4e6482bd47a3c8d12c5139c3aadf1546619
[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" "8f8c75606b768dd8444f73a97e4ed4e6482bd47a3c8d12c5139c3aadf1546619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8c75606b768dd8444f73a97e4ed4e6482bd47a3c8d12c5139c3aadf1546619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8c75606b768dd8444f73a97e4ed4e6482bd47a3c8d12c5139c3aadf1546619", kill_on_drop: false }`
[INFO] [stdout] 8f8c75606b768dd8444f73a97e4ed4e6482bd47a3c8d12c5139c3aadf1546619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54e348e383e46d144f7d1645eb7d152311fc88633c8f47ad9668b3d76d289c4
[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" "f54e348e383e46d144f7d1645eb7d152311fc88633c8f47ad9668b3d76d289c4", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/main.rs
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling const-oid v0.6.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling base64ct v1.0.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]     Checking der v0.4.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking spki v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.9.6
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]     Checking salsa20 v0.8.0
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling aes v0.7.4
[INFO] [stderr]    Compiling ctr v0.7.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking pkcs8 v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.10.0
[INFO] [stderr]    Compiling crypto-bigint v0.2.2
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling password-hash v0.2.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]    Compiling base58check v0.1.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling group v0.10.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling elliptic-curve v0.10.4
[INFO] [stderr]    Compiling scrypt v0.7.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=32772d7f0372d302 -C extra-filename=-32772d7f0372d302 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0bc2977611e483ea.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bbefdfa4c5cdff01.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-6682ad4e538f07bd.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (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" "f54e348e383e46d144f7d1645eb7d152311fc88633c8f47ad9668b3d76d289c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54e348e383e46d144f7d1645eb7d152311fc88633c8f47ad9668b3d76d289c4", kill_on_drop: false }`
[INFO] [stdout] f54e348e383e46d144f7d1645eb7d152311fc88633c8f47ad9668b3d76d289c4
