[INFO] fetching crate imuxin-delta-lib 0.0.2...
[INFO] building imuxin-delta-lib-0.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate imuxin-delta-lib 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate imuxin-delta-lib 0.0.2
[INFO] finished tweaking crates.io crate imuxin-delta-lib 0.0.2
[INFO] tweaked toml for crates.io crate imuxin-delta-lib 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate imuxin-delta-lib 0.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate imuxin-delta-lib 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 070c89f08bf03f849a97aa59315efbd9681a2d2ea880b9c587e0a72b68dd3753
[INFO] running `Command { std: "docker" "start" "-a" "070c89f08bf03f849a97aa59315efbd9681a2d2ea880b9c587e0a72b68dd3753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "070c89f08bf03f849a97aa59315efbd9681a2d2ea880b9c587e0a72b68dd3753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070c89f08bf03f849a97aa59315efbd9681a2d2ea880b9c587e0a72b68dd3753", kill_on_drop: false }`
[INFO] [stdout] 070c89f08bf03f849a97aa59315efbd9681a2d2ea880b9c587e0a72b68dd3753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d4ec08f7fbb4e581a229f84bbf9ddacf9de175c0a542d8ddc4383730f39db0
[INFO] running `Command { std: "docker" "start" "-a" "90d4ec08f7fbb4e581a229f84bbf9ddacf9de175c0a542d8ddc4383730f39db0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling once_cell v1.12.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling bugreport v0.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rgb v0.8.31
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.94/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 --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=8030c2a19e42c23a -C extra-filename=-bf9e77cb0ca979d2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9d599b053c0fc8fb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3ffd02ad0874ef0b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-467b3a2737902552.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.25/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="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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=4ce317381d2c440b -C extra-filename=-a8b7a392e3a16251 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "90d4ec08f7fbb4e581a229f84bbf9ddacf9de175c0a542d8ddc4383730f39db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d4ec08f7fbb4e581a229f84bbf9ddacf9de175c0a542d8ddc4383730f39db0", kill_on_drop: false }`
[INFO] [stdout] 90d4ec08f7fbb4e581a229f84bbf9ddacf9de175c0a542d8ddc4383730f39db0