[INFO] fetching crate cobalt-bin 0.17.5...
[INFO] testing cobalt-bin-0.17.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cobalt-bin 0.17.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cobalt-bin 0.17.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cobalt-bin 0.17.5
[INFO] finished tweaking crates.io crate cobalt-bin 0.17.5
[INFO] tweaked toml for crates.io crate cobalt-bin 0.17.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cobalt-bin 0.17.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v1.6.0
[INFO] [stderr]   Downloaded numerals v0.1.4
[INFO] [stderr]   Downloaded liquid-lib v0.23.0
[INFO] [stderr]   Downloaded proc-quote v0.4.0
[INFO] [stderr]   Downloaded liquid v0.23.0
[INFO] [stderr]   Downloaded open v2.0.2
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded atom_syndication v0.9.1
[INFO] [stderr]   Downloaded cow-utils v0.1.2
[INFO] [stderr]   Downloaded minifier v0.0.41
[INFO] [stderr]   Downloaded html-minifier v3.0.14
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded assert_fs v1.0.6
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[INFO] [stderr]   Downloaded cobalt-core v0.17.0
[INFO] [stderr]   Downloaded sass-sys v0.4.22
[INFO] [stderr]   Downloaded chrono_utils v0.1.3
[INFO] [stderr]   Downloaded vimwiki v0.1.0
[INFO] [stderr]   Downloaded voca_rs v1.14.0
[INFO] [stderr]   Downloaded ghp v0.1.2
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.3
[INFO] [stderr]   Downloaded quick-xml v0.20.0
[INFO] [stderr]   Downloaded rss v1.10.0
[INFO] [stderr]   Downloaded similar-asserts v1.1.0
[INFO] [stderr]   Downloaded liquid-derive v0.23.0
[INFO] [stderr]   Downloaded liquid-core v0.23.0
[INFO] [stderr]   Downloaded vimwiki-core v0.1.0
[INFO] [stderr]   Downloaded sitemap v0.4.1
[INFO] [stderr]   Downloaded tiny_http v0.9.0
[INFO] [stderr]   Downloaded jsonfeed v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 89dcfe3b11f5445892abab5c8a5f7fd540fed6dff973b95f72baf2b93f7eb915
[INFO] running `Command { std: "docker" "start" "-a" "89dcfe3b11f5445892abab5c8a5f7fd540fed6dff973b95f72baf2b93f7eb915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89dcfe3b11f5445892abab5c8a5f7fd540fed6dff973b95f72baf2b93f7eb915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dcfe3b11f5445892abab5c8a5f7fd540fed6dff973b95f72baf2b93f7eb915", kill_on_drop: false }`
[INFO] [stdout] 89dcfe3b11f5445892abab5c8a5f7fd540fed6dff973b95f72baf2b93f7eb915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 37ba9e69385719353d726a327ad1e8a6ab7d900fcb00fdc628bfe128fd9a74bc
[INFO] running `Command { std: "docker" "start" "-a" "37ba9e69385719353d726a327ad1e8a6ab7d900fcb00fdc628bfe128fd9a74bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling anymap2 v0.13.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling deunicode v1.3.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling macro-utils v0.1.3
[INFO] [stderr]    Compiling numerals v0.1.4
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling cow-utils v0.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling minifier v0.0.41
[INFO] [stderr]    Compiling open v2.0.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling fancy-regex v0.7.1
[INFO] [stderr]    Compiling ghp v0.1.2
[INFO] [stderr]    Compiling voca_rs v1.14.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling status v0.0.10
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling sass-sys v0.4.22
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling error-chain v0.10.0
[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-1.0.82/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=d852afdcd66bc694 -C extra-filename=-d852afdcd66bc694 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fcac75a3ab2b706e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9200e902a93b3fd4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.rmeta --cap-lints allow --cap-lints=warn --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" "37ba9e69385719353d726a327ad1e8a6ab7d900fcb00fdc628bfe128fd9a74bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ba9e69385719353d726a327ad1e8a6ab7d900fcb00fdc628bfe128fd9a74bc", kill_on_drop: false }`
[INFO] [stdout] 37ba9e69385719353d726a327ad1e8a6ab7d900fcb00fdc628bfe128fd9a74bc