[INFO] fetching crate starship 0.56.0...
[INFO] checking starship-0.56.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate starship 0.56.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate starship 0.56.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-100/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47205ef9ad068313a1f2d66eac72e8545cec657228c0560369b32c69c9ce4a62
[INFO] running `Command { std: "docker" "start" "-a" "47205ef9ad068313a1f2d66eac72e8545cec657228c0560369b32c69c9ce4a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47205ef9ad068313a1f2d66eac72e8545cec657228c0560369b32c69c9ce4a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47205ef9ad068313a1f2d66eac72e8545cec657228c0560369b32c69c9ce4a62", kill_on_drop: false }`
[INFO] [stdout] 47205ef9ad068313a1f2d66eac72e8545cec657228c0560369b32c69c9ce4a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc7621e18e74be703c5f1454138c0e55cc193e5fef46969977b05048566ef6e
[INFO] running `Command { std: "docker" "start" "-a" "cfc7621e18e74be703c5f1454138c0e55cc193e5fef46969977b05048566ef6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking path-slash v0.1.4
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking semver v1.0.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking byte-unit v4.0.12
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 rayon v1.5.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking open v1.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking process_control v3.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling sys-info v0.9.0
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking versions v3.0.2
[INFO] [stderr]     Checking 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=5d5364414a790983 -C extra-filename=-5d5364414a790983 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-335d728e5ca29ebc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-28c7cf663a2cc02f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cfc7621e18e74be703c5f1454138c0e55cc193e5fef46969977b05048566ef6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc7621e18e74be703c5f1454138c0e55cc193e5fef46969977b05048566ef6e", kill_on_drop: false }`
[INFO] [stdout] cfc7621e18e74be703c5f1454138c0e55cc193e5fef46969977b05048566ef6e