[INFO] fetching crate starship 0.56.0...
[INFO] testing starship-0.56.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate starship 0.56.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate starship 0.56.0 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 crates.io crate starship 0.56.0
[INFO] finished tweaking crates.io crate starship 0.56.0
[INFO] tweaked toml for crates.io crate starship 0.56.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate starship 0.56.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.7
[INFO] [stderr]   Downloaded sys-info v0.9.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded security-framework-sys v2.2.0
[INFO] [stderr]   Downloaded battery v0.7.8
[INFO] [stderr]   Downloaded uom v0.30.0
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded directories-next v2.0.0
[INFO] [stderr]   Downloaded futures-executor v0.3.15
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded dlv-list v0.2.3
[INFO] [stderr]   Downloaded process_control v3.0.1
[INFO] [stderr]   Downloaded zbus_macros v1.9.1
[INFO] [stderr]   Downloaded zvariant v2.6.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded vcpkg v0.2.12
[INFO] [stderr]   Downloaded starship_module_config_derive v0.2.1
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded openssl v0.10.34
[INFO] [stderr]   Downloaded utf8-width v0.1.5
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded security-framework v2.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.63
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded zbus v1.9.1
[INFO] [stderr]   Downloaded rust-ini v0.17.0
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded byte-unit v4.0.12
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded openssl-src v111.15.0+1.1.1k
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded ordered-multimap v0.3.1
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded shell-words v1.0.0
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded zvariant_derive v2.6.0
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded open v1.7.0
[INFO] [stderr]   Downloaded os_info v3.0.6
[INFO] [stderr]   Downloaded shadow-rs v0.6.2
[INFO] [stderr]   Downloaded ahash v0.4.7
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded versions v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 8cfa74aa5d8eac0bbe8609c4b9b726e9d0e181672be9cad0f70399aca8509f7e
[INFO] running `Command { std: "docker" "start" "-a" "8cfa74aa5d8eac0bbe8609c4b9b726e9d0e181672be9cad0f70399aca8509f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfa74aa5d8eac0bbe8609c4b9b726e9d0e181672be9cad0f70399aca8509f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfa74aa5d8eac0bbe8609c4b9b726e9d0e181672be9cad0f70399aca8509f7e", kill_on_drop: false }`
[INFO] [stdout] 8cfa74aa5d8eac0bbe8609c4b9b726e9d0e181672be9cad0f70399aca8509f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0f4d93e0a1540b0215ddc3c7e64a9a5e5dfe3883912a18f78ba669dad06dcd
[INFO] running `Command { std: "docker" "start" "-a" "ce0f4d93e0a1540b0215ddc3c7e64a9a5e5dfe3883912a18f78ba669dad06dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling wildmatch v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling path-slash v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling open v1.7.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling process_control v3.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling sys-info v0.9.0
[INFO] [stderr]    Compiling dlv-list v0.2.3
[INFO] [stderr]    Compiling ordered-multimap v0.3.1
[INFO] [stderr]    Compiling rust-ini v0.17.0
[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-1.0.72/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="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"' -C metadata=18bad4a109b0d79d -C extra-filename=-18bad4a109b0d79d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a95e1a6c13fd915d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-be7bc11c671fc5ab.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-fa95828b78fbac73.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" "ce0f4d93e0a1540b0215ddc3c7e64a9a5e5dfe3883912a18f78ba669dad06dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0f4d93e0a1540b0215ddc3c7e64a9a5e5dfe3883912a18f78ba669dad06dcd", kill_on_drop: false }`
[INFO] [stdout] ce0f4d93e0a1540b0215ddc3c7e64a9a5e5dfe3883912a18f78ba669dad06dcd
